Hi nuke users,

Someone asked me that simple question today and I haven't been able to give a proper answer to him so I'd like to ask you the same question.

What's the difference between a Dissolve node used with a mask and a Keymix node exactly ?

It looks like they do pretty much the same things but as their knobs are slightly different I can assume there is a difference between them even if I didn't noticed any differences in the result so far.

Personally, I use a Keymix with mattes and a dissolve with RBG, I don't know why exactly, it just seems right to me that way and not the other way around. But usually I only need the mix/which knob and the mask plug so it doesn't make any difference at the end.

Is there a different algorythm ? or maybe a specific feature that makes one better than the other one sometimes ? Is this a Old/New version thing ?

I didn't find anyting about the Keymix in the ReferenceGuide.

Thx

Aelis

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